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- He began developing the inflationary universe paradigm in 1979, ultimately publishing it in Physical Review D in 1981. The paper states that cosmic inflation expanded space-time by a factor of 10 30 over approximately a trillionth of a trillionth of a trillionth of a second.
www.astronomy.com › science › the-beginning-to-the-end-of-the-the-universe-inflating-the-cosmosThe beginning to the end of the universe: Inflating the universe
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Mar 20, 2014 · Nature reporter Ron Cowen explores Professor Alan Guth’s theory of cosmic inflation, which scientists may have confirmed by searching for gravitational waves from the seconds after the Universe’s formation. “Guth’s idea was that the cosmos expanded at an exponential rate for a few tens of trillionths of trillionths of trillionths of ...
Physicist Alan Guth, the father of cosmic inflation theory, describes emerging ideas about where our universe comes from, what else is out there, and what caused it to exist in the first...
Oct 26, 2018 · Guth hypothesized that in some of the very earliest moments of our universe (somewhere around the 10^-36 second mark), our universe underwent a period of exorbitant accelerated expansion.
Inflation was first proposed by Alan Guth in 1979 while investigating the problem of why no magnetic monopoles are seen today; he found that a positive-energy false vacuum would, according to general relativity, generate an exponential expansion of space. It was very quickly realised that such an expansion would resolve many other long-standing ...
- The Critical Density
- Physics of the False Vacuum
- The Inflationary Universe
- ( Pressure of the False Vacuum
According to Hubble’s law,the recession velocity of any distant galaxy is given approximately by v=Hr where r is the distance to the galaxy and H is a measure of the expansion rate called the Hubble constant (or Hubble parameter). The critical mass density is determined by the expansion rate,and is given by c = 3H2 8 G where G is Newton’s gravitati...
(FIGURE 2) ) if theyare extended. If the average mass densityis less than A false vacuum arises naturally in any theory that contains scalar the critical density, then the space curves in the opposite fields,i.e.,fields that resemble electric or magnetic fields except way, forming an infinite space called an open universe, in that they have no dire...
Although the properties of the big bang are veryspecial, we now know that the laws of physics provide a mechanism that produces exactly this sort of a bang. The mecha-nism is known as cosmic inflation. The crucial propertyof physical law that makes inflation possible is the existence of states of matter which have a high energy density that cannot ...
(FIGURE 3) The pressure of the false vacuum can be determined by a simple energy-conservation argument.Imagine a chamber filled with false vacuum,as shown in the following figure: The peculiar properties of the false vacuum stem from its pressure, which is large and negative (see Figure 3). Mechanicallysuch a negative pressure corresponds to a suct...
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Jul 1, 2014 · Inflation basically suggests that at very early instants in the life of the universe, within a trillionth of a trillionth of a second, gravity acted as a strongly repulsive force, stretching the...
Feb 21, 2024 · The Inflation Theory proposes a period of extremely rapid (exponential) expansion of the universe during its first few moments. It was developed around 1980 to explain several puzzles with the standard Big Bang theory, in which the universe expands relatively gradually throughout its history.
